Base | Representation |
---|---|
bin | 11011000100111… |
… | …11110100010100 |
3 | 120211102021010220 |
4 | 31202133310110 |
5 | 431122201103 |
6 | 34312314340 |
7 | 5425501143 |
oct | 1542376424 |
9 | 524367126 |
10 | 227147028 |
11 | 107244a19 |
12 | 640a29b0 |
13 | 380a0834 |
14 | 2224b75a |
15 | 14e1cc53 |
hex | d89fd14 |
227147028 has 24 divisors (see below), whose sum is σ = 531521088. Its totient is φ = 75499776.
The previous prime is 227147021. The next prime is 227147083. The reversal of 227147028 is 820741722.
227147028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 227147028.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (227147021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22576 + ... + 31047.
It is an arithmetic number, because the mean of its divisors is an integer number (22146712).
Almost surely, 2227147028 is an apocalyptic number.
It is an amenable number.
227147028 is an abundant number, since it is smaller than the sum of its proper divisors (304374060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227147028 is a wasteful number, since it uses less digits than its factorization.
227147028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53983 (or 53981 counting only the distinct ones).
The product of its (nonzero) digits is 12544, while the sum is 33.
The square root of 227147028 is about 15071.3976790476. The cubic root of 227147028 is about 610.1486943791.
The spelling of 227147028 in words is "two hundred twenty-seven million, one hundred forty-seven thousand, twenty-eight".
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